On screen
Cast
281 credited performers
Ryan Seacrest
Self - Host
Randy Jackson
Self - Judge
Simon Cowell
Self - Judge
Paula Abdul
Self - Judge
Jennifer Lopez
Self - Performer
Keith Urban
Self - Judge
Harry Connick Jr.
Self - Judge
Kara DioGuardi
Self - Judge
Steven Tyler
Self - Judge
Ellen DeGeneres
Self
Mariah Carey
Self
Nicki Minaj
Self - Judge
Phillip Phillips
Self - Guest Performer
Kimberley Locke
Self - Contestant
Brian Dunkleman
Self - Host
Katie Stevens
Self
Todrick Hall
Self
Jennifer Hudson
Self - Musical Guest
Peter Frank
Self - Contestant
Chris Daughtry
Self - Contestant
Jon Peter Lewis
Self
Clay Aiken
Self - Audience Member
Tamyra Gray
Self - Guest
Carrie Underwood
Self - Contestant
Ryan Starr
Self - Contestant
Kelly Clarkson
Self - Guest
George Huff
Self - Contestant
Kellie Pickler
Self
Camile Velasco
Self
Jim Verraros
Self
Jasmine Trias
Self
John Stevens
Self - Contestant
Jordin Sparks
Self
Ada Vox
Self - Contestant
Ruben Studdard
Self - Contestant
Arianna Afsar
Self - Contestant
Barry Manilow
Self - Guest Judge
David Foster
Self - Guest Performer
Elliott Yamin
Self - Contestant
Gwen Stefani
Self - Guest Performer
Tony Bennett
Self - Guest Star
Nikki McKibbin
Self
Bono
Self
Bo Bice
Self - Guest
Taylor Hicks
Self - Contestant
Neil Diamond
Self - Performer
EJay Day
Self - Contestant
LaToya London
Self - Contestant
Mary J. Blige
Self - Guest
Trevor Douglas
Self - Contestant
David Cook
Self
Antonella Barba
Self - Contestant
Fantasia Barrino
Self - Contestant
Scotty McCreery
Self - Contestant
Stevie Wonder
Self - Guest Performer
Kenny Rogers
Self
Martina McBride
Self - Guest Performer
Jon Bon Jovi
Self - Guest Performer
Reese Witherspoon
Self
Diana Ross
Self - Guest Performer
Fergie
Self
Andrea Bocelli
Self - Guest Performer
Lulu
Self
Barry Gibb
Self / Guest Performer
Gladys Knight
Self
Dolly Parton
Self - Guest Performer
Jesse Spencer
Self
Ben Stiller
Self
Peter Noone
Self
Smokey Robinson
Self - Guest Judge
Lisa Tucker
Self
Will Makar
Self
Ace Young
Self
Nikko Smith
Self
Seal
Self
Hugh Laurie
Self
Katharine McPhee
Self - Contestant
Christina Christian
Self - Contestant
Anthony Fedorov
Self
R. J. Helton
Self
Diana DeGarmo
Self - Contestant
Kimberly Caldwell
Self - Guest Host
Kristin Adams
Self
Justin Guarini
Self - Contestant
Katie Webber
Self - Contestant
Leah LaBelle
Self - Contestant
Gina Glocksen
Self - Contestant
Kris Allen
Self - Contestant
Haley Reinhart
Self - Performer
James Durbin
Self - Contestant
Lauren Alaina
Self - Contestant
Adam Lambert
Self - Performer
Shakira
Self - Guest Performer
Heather Locklear
Self
Lamont Dozier
Self - Guest Judge
Olivia Newton-John
Self - Guest Judge
Verdine White
Self - Guest Judge
Lionel Richie
Self - Guest Judge
Billy Joel
Self
Diane Warren
Self - Guest Judge
Neil Sedaka
Self - Guest Judge
Robin Gibb
Self - Guest Judge
Steven Cojocaru
Self
Elton John
Self - Mentor
Jason Priestley
Self
Mark McGrath
Self - Guest Judge
Gene Simmons
Self - Guest Judge
LL Cool J
Self - Guest Judge
Queen Latifah
Self
Rod Stewart
Self - Guest Performer
Tori Spelling
Self
Melissa Gilbert
Self
Rebecca Romijn
Self
Clive Davis
Self
Todd Bridges
Self
Meat Loaf
Self - Guest
Jewel
Self - Guest Judge
Anita Barone
Self
Robin Thicke
Self - Performer
Andrew Lloyd Webber
Self - Mentor
Bette Midler
Self
Blake Lewis
Self
Céline Dion
Self
Natasha Bedingfield
Self - Performer
Graham Nash
Self - Performer
Rihanna
Self - Performer
Kenny G
Self - Guest
Amaury Nolasco
Self
Jerry O'Connell
Self
Gavin DeGraw
Self
Daniel Powter
Self
LeBron James
Self
P!nk
Self
John Legend
Self
Sasha Cohen
Self
Jeri Ryan
Self
Mandy Moore
Self
Burt Bacharach
Self - Guest
Doug E. Fresh
Self
Eli Manning
Self
Christina Applegate
Self
Al Jarreau
Self - Guest
Micky Dolenz
Self
George Michael
Self - Performer
Jimmy Kimmel
Self - Performer
Jane Kaczmarek
Self - Audience Member (uncredited)
Dionne Warwick
Self - Guest
Marc Anthony
Self
Annie Lennox
Self
Paul Anka
Self - Guest
Prince
Self - Guest
Matt Damon
Self
Guy Sebastian
Self - Audience Member (uncredited)
A. J. Gil
Self
Joel Madden
Self
BeBe Winans
Self
Peyton Manning
Self
Helen Mirren
Self
John McCain
Self
Wolfgang Puck
Self
Helena Bonham Carter
Self
Brad Pitt
Self
CeCe Winans
Self
David Boreanaz
Self
Kevin McNally
Self
Harvey Weinstein
Self
Hillary Clinton
Self
Hugh Grant
Self
Henry Winkler
Self - Audience Member (uncredited)
Shaquille O'Neal
Self
Ray Romano
Self - Interviewee / Audience Member
Kyle Gass
Self
Robin Williams
Ivan 'Bob' Poppanoff the 'Russian Idol'
Sharon Osbourne
Self - Interviewee / Audience Member
Keira Knightley
Self
Kiefer Sutherland
Self
Josh Groban
Self
Snoop Dogg
Self
Parminder Nagra
Self
Chris Kattan
Self
Twiggy
Self
Ewan McGregor
Self
Sarah Michelle Gellar
Self
Rob Lowe
Self
Jason Biggs
Self
Forest Whitaker
Self
Phil McGraw
Self
Antonio Banderas
Self
Tom Cruise
Self
Rob Schneider
Self
Goldie Hawn
Self
Lisa Kudrow
Self
Gwyneth Paltrow
Self
Benji Madden
Self
Gillian Anderson
Self
Teri Hatcher
Self
Eric McCormack
Self
Bernadette Peters
Self
Jack Black
Self
Kevin Bacon
Self
Lady Gaga
Self
Emily Blunt
Self
Kenny Loggins
Self - Guest Judge
Kenny Wayne Shepherd
Self - Guest
Amy Adams
Self
Eric Anthony Lopez
Self - Auditionee
Adriel Herrera
Self - Contestant
Rodesia Eaves
Self - Contestant
Natalie Burge
Self - Contestant
Brad Estrin
Self - Contestant
Justinn Waddell
Self - Contestant
Kelli Glover
Self - Contestant
Christopher Aaron
Self - Contestant
AJ Gil
Self - Contestant
Alexandra Bachelier
Self - Contestant
Christina Christian
Self - Contestant
R.J. Helton
Self - Contestant
Emmy Robbin
Self - Contestant
Tenia Taylor
Self - Contestant
Maria Lingbanan
Self - Contestant
Stephen Silberkraus
Self - Contestant
Becky O'Donohue
Self - Contestant
Paris Bennett
Self - Contestant
Kinnik Sky
Self - Contestant
Kevin Covais
Self - Contestant
Scott Savol
Self - Contestant
Constantine Maroulis
Self - Contestant
Lucky Daye
Self - Contestant
Anwar Robinson
Self - Contestant
Mario Vazquez
Self - Contestant
Vonzell Solomon
Self - Contestant
Celena Rae
Self - Contestant
Mikalah Gordon
Self - Contestant
Jessica Sierra
Self - Contestant
Aloha Mischeaux
Self - Contestant
Matthew Rogers
Self - Contestant
Charly Lowry
Self - Contestant
John Preator
Self - Contestant
Trenyce
Self - Contestant
Bettis Richardson
Self - Contestant
Charles Grigsby
Self - Contestant
Sanjaya Malakar
Self - Contestant
LaKisha Jones
Self - Contestant
David Anthony Hernandez
Self - Contestant
David Archuleta
Self - Contestant
Adore Delano
Self - Contestant
Jason Castro
Self - Contestant
Kristy Lee Cook
Self - Contestant
Brooke White
Self - Contestant
Asia'h Epperson
Self - Contestant
Syesha Mercado
Self - Contestant
Jackie Tohn
Self - Contestant
Anoop Desai
Self - Contestant
Annie Bosko
Self - Contestant
Danny Gokey
Self - Contestant
Jasmine Murray
Self - Contestant
Allison Iraheta
Self - Contestant
Kristen McNamara
Self - Contestant
Felicia Barton
Self - Contestant
Crystal Bowersox
Self - Contestant
Stefano Langone
Self - Contestant
Jacob Lusk
Self - Contestant
Casey Abrams
Self - Contestant
Pia Toscano
Self - Contestant
Jeremy Rosado
Self - Contestant
Joshua Ledet
Self - Contestant
Jessica Sanchez
Self - Contestant
Valentino Vladimirov
Self - Dancer
Lana Del Rey
Self - Performer
Stefan Gordy
Self - Performer
Brian May
Self
Roger Taylor
Self
Katy Perry
Self - Performer
Chris Martin
Self - Performer
Lisa Marie Presley
Self - Performer
Jason Derulo
Self - Performer
Aerosmith
Selves - Performers
Chaka Khan
Self - Performer
John Fogerty
Self - Performer
Jennifer Holliday
Self - Performer
Reba McEntire
Self - Performer